Measurements:
°C
°F
CURRENT WEATHER
14:12
Key West
92°F
W 14 mph
Feels like: 106°F
Precip: 5%
World Resorts USA Key West Weather

7 Day Weather Forecast

07.15
wed
DAY
92°F
W 16 mph
precip
8%
NIGHT
90°F
W 16 mph
precip
6%
07.16
thu
DAY
90°F
W 16 mph
precip
7%
NIGHT
90°F
W 11 mph
precip
5%
07.17
fri
DAY
90°F
W 10 mph
precip
9%
NIGHT
88°F
W 12 mph
precip
7%
07.18
sat
DAY
88°F
W 9 mph
precip
6%
NIGHT
88°F
W 9 mph
precip
8%
07.19
sun
DAY
88°F
NW 10 mph
precip
9%
NIGHT
88°F
W 11 mph
precip
5%
07.20
mon
DAY
88°F
W 11 mph
precip
11%
NIGHT
88°F
W 12 mph
precip
7%
07.21
tue
DAY
88°F
NW 11 mph
precip
12%
NIGHT
88°F
W 14 mph
precip
19%

Key West Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Key West was 31.7°F. The maximum and minimum values were 31.1°F and 32.2°F respectively.

Key West on the Weather Map

Best Time to Visit Key West
The most sunny months:
May 17 days
March 16 days
April 16 days
The most warm months:
August 91.6 °F
July 91.0 °F
September 89.7 °F
Warmest sea temperature:
August 91.3 °F
July 90.6 °F
September 90.1 °F
The most cold months:
January 74.4 °F
February 76.3 °F
December 78.2 °F
The most rainy months:
June 7 days
August 7 days
September 6 days
The most windy months:
November 14 mph
December 14 mph
January 14 mph
more details